Isotopes of hydrogen

Deuterium, also called heavy hydrogen, is a stable isotope of hydrogen with a natural abundance of one atom in 6500 of hydrogen. The nucleus of deuterium, called a deuteron, contains one proton and one neutron, whereas a normal hydrogen nucleus just has one proton. ...more on Wikipedia about "Deuterium"

Hydrogen-4 is a highly unstable isotope of hydrogen. The nucleus consists of a proton and three neutrons. It has been synthesised in the laboratory by bombarding tritium with fast-moving deuterium nuclei (see this article ). In this experiment, the tritium nuclei captured neutrons from the fast-moving deuterium nucleus. The presence of the hydrogen-4 was deduced by detecting the emitted protons. Its atomic weight is 4.0279121. It decays through neutron emission and has a half-life of 9.93696x10-23 seconds. ...more on Wikipedia about "Hydrogen-4"

Hydrogen-5 is a highly unstable isotope of hydrogen. The nucleus consists of a proton and four neutrons. It has been synthesised in the laboratory by bombarding tritium with fast-moving tritium nuclei (see this article ). In this experiment, the one tritium nucleus captures two neutrons from the other, becoming a nucleus with one proton and four neutrons. The remaining proton may be detected, and the existence of hydrogen-5 deduced. It decays through neutron emission and has a half-life of 8.01930x10-23 seconds. ...more on Wikipedia about "Hydrogen-5"

Hydrogen (H) ...more on Wikipedia about "Isotopes of hydrogen"

Tritium (symbol T or 3H) is a radioactive isotope of hydrogen. The nucleus of tritium (sometimes called triton) contains one proton and two neutrons, whereas the nucleus of protium (the most abundant hydrogen isotope) contains no neutrons. Its atomic weight is 3.0160492. It is a gas (T2 or 3H2) at standard temperature and pressure. Tritium combines with oxygen to form a liquid called tritiated water (T2O or partially tritiated THO), somewhat like heavy water ( deuterium oxide). ...more on Wikipedia about "Tritium"

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